J.R. Kirtley, R.M. Feenstra, et al.
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Paper
Magnetic hysteresis in integrated low Tc SQUID gradiometers
Abstract
We have measured the magnetic hysteresis of thin-film superconducting gradiometers. The fractional hysteresis error h was found to be about 10 -9-10-11 in several devices.
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